Do I Need A Chimney Liner For A Gas Boiler

If you have an older home with a wide brick chimney you may need a liner depending on how efficient your furnace is.

Do i need a chimney liner for a gas boiler.

Yes you need a liner if the chimney is exposed to even 1 outside wall below the roof you can t vent an 80 furnace into it. The flue may have lost integrity and can leak smoke into rooms or other part of the building. To check look at the top of your brick chimney flue. Chimney flues that are unlined oversized or deteriorated can usually be lined with a ul listed lining system approved for gas appliances.

What happens is the flue gas is not as hot as the old furnace so the flue gas can t get out of the chimney before it cools off below dew point and condenses inside the chimney and is acidic. A csia certified chimney sweep can provide more information about chimney liners. If going to a smooth wall liner it will additionally improve your draft by up to 20 for gas and up to 15 for oil burning appliances. Homeowners with gas or electric inserts most likely do not need a new liner because those types of fuel don t produce enough heat to damage a masonry chimney.

Do i already have a chimney liner. Chimney systems that predate 1965 will often require a modern lining solution for the following reasons. Installation of a chimney for a gas boiler can be entrusted to specialists but some are ready to do everything themselves especially if there is an instrument and the owner has golden hands. New chimneys may require relining to suit the fuel type being used a gas flue liner may not be suitable for other fuels.

A properly sized chimney liner. Without a chimney liner corrosion can cause your chimney to deteriorate and allow harmful gasses such as carbon monoxide to seep through into your living space. For more information about the uses or the installation of chimney liners please contact flame. Do you have questions about your chimney and whether it needs a new liner.

The simplest option is to use a ready made external chimney that is a modular design of the factory production and then it must be wisely insulated. For optimal use and safety a liner is needed when installing a new heating system furnace boiler or water heater. If you have one you will see another metal flue sticking out a little bit higher than the original brick opening. Wood and coal burning fuels must be vented in a separate chimney liner and not.